What are the aspects related to the performance of fiber optic connectors?

I. What are the aspects related to the performance of fiber optic connectors? Fiber optic connector performance, first of all, optical performance, in addition to consider the interchangeability of fiber optic connectors, repeatability, tensile strength, temperature and insertion and removal times. (1) optical performance: the optical performance of fiber optic connectors for the requirements of the two most basic parameters, mainly insertion loss and return loss. Insertion loss (InsertionLoss) that is, connection loss, refers to the connector due to the introduction of the link caused by the loss of effective optical power. Insertion loss is as small as possible, the general requirement should not be greater than 0.5 dB. return loss (ReturnLoss, ReflectionLoss) refers to the connector on the link optical power reflection inhibition ability, its typical value should not be less than 25 dB. practical application of the connector, the pin surface has been specially polished, can make the return loss is greater, generally not less than 45 dB. (2) interchangeability, repeatability: fiber optic connector is a universal passive device, for the same type of fiber optic connector, generally can be used in any combination, and can be repeated many times, which leads to additional loss is generally less than 0.2dB within the range. (3) tensile strength: for a good fiber optic connector, the general requirements of its tensile strength should not be less than 90N. (4) temperature: general requirements, fiber optic connectors must be -40oC ~ +70oC temperature can be used normally. (5) Insertion and extraction times: now the use of fiber optic connectors can basically be inserted and extracted more than l000 times.

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